Mr. Chu Sup Chung, President of the Sam Woo Development Company is a well known inventor and designer as well as the developer for the last 40 years. He has been awarded and cited by the Chief of the Patent Administration of the Government of the Republic of Korea and many other public organization in Korea. Mr. Chung invented and designed Non-Slipping Trays and Sheets in the year of 1991 and developed as a new product in Korean market. The Non-slip Trays and Sheets has been an hitting item since its development and sell to the Korean market. It has been export to Japan, U. S. A., Europe as well as many other countries in the word market at present time. Cleanhit. Co.,ltd. is a selling to hotels, restaurants and family homes. Early this year, the Sam Woo Development Company invented and developed a new product called "CLEAN HIT" which is an anti-bacteria herb and grass which prevents foods decay and keep fresh all kinds of foods. He has been awarded and admired by many consumers and users of the "CLEAN HIT" which is also harmless for human body at all. Now Sam Woo is more seriously concentrating it research and development (R&D) for the "CLEAN HIT" in order to contribute human welfare and keep good health for all human beings. Now the Sam Woo Company has around 16 item of the Patent Right and its Design by Mr. Chung who is a model of the Korean inventors and designers of the Korean Business Society.